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高频错题
#1 · 常错题
今年市委市政府积极推进创建“全国文明城市”工作,市创城办公室为了调查初中学生对“社会主义核心价值观”内容的了解程度\((\)程度分为:“\(A-\)十分熟悉”,“\(B-\)了解较多”,“\(C-\)了解较少”,“\(D-\)不知道”\()\),对我市一所中学的学生进行了随机抽样调查,根据调查结果绘制了两幅不完整的统计图如图,根据信息解答下列问题: \((1)\)本次抽样调查了多少名学生; \((2)\)补全条形统计图和扇形统计图; \
#2 · 常错题
在平面直角坐标系中,点A的坐标为(1,1),点B的坐标为(11,1),点 C 到直线 AB的距离为4,且△ABC是直角三角形,则满足条件的点 C 有个.
#3 · 常错题
如图所示,直线AB、CD相交于点O,OM⊥AB, (1)若∠1=∠2,求∠NOD的度数 1 (2)若∠1=∠BOC,求∠AOC和∠MOD的度数. 4
#4 · 常错题
分类讨论思想是数学的重要思想,在学习有理数的过程中,也深有感受$!$ $(1)$当$ab \lt 0$时,若$b \gt 0$,$|a| \lt |b|$,则$a+b \_\_\_\_\_\_0$; $(2)$当$abc \lt 0$时,若$ab \gt 0$,则$c \_\_\_\_\_\_0$; $(3)$已知$a$,$b$,$c$是非零有理数,则$\frac{a}{|a|}+\frac{b}{|b|}+\frac{c}{|c|}=
#5 · 常错题
一批水果的标准质量是$30$千克,超出标准质量记为正,低于标准质量记为负,现记录如下:$+8$,$-9$,$-5$,$+7$,$-8$,$-6$,$+7$,$+10$. $(1)$这批水果总共有多少千克? $(2)$第一天按每千克价格$5$元卖出了这批水果的一半,第二天为了吸引顾客把第一天卖水果的价格降价$20\%$后作为新的价格,卖完了剩下的水果,请计算一下这批水果一共卖了多少钱?
#6 · 常错题
将循环小数化为分数:整数、有限小数、循环小数都可以化成分数,整数和有限小数化成分数容易,循环小数如何化成分数呢?请看下面的例子. 将循环小数$0.288\ldots $化成分数:将$0.288\ldots $分别乘$10$和$100$,得$2.88\ldots $和$28.88\ldots $,两个得数相减得$26(两个得数小数部分相同)$,而相减所得的$26$应该是$0.288\ldots $的$\left(100-10\right)
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【民本思想与民生措施】 下列是某班学生围绕“如何解决民生问题”这一主题创作的剧本。 对话一 梁惠王问政于孟子 梁惠王:卿对治国有何良策? 孟子:施仁政于民,省刑罚,薄税敛。 对话二 唐太宗与魏征议政 魏征:本朝立国初始,中原地区人烟断绝,陛下如何与民休息? 唐太宗:首先,从我做起,去奢节俭,轻徭薄赋;其次,不夺农时,不误农事,发展农业生产。 对话三 毛泽东与埃德加·斯诺论中国革命 埃德加·斯诺:中国共产党如何赢得中国? 毛泽东:谁赢得农
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【文明传播与内向吸纳】 某中学的同学们以“文明互鉴”为主题开展探究性学习。请完成以下四项学习任务 (1)促进世界远洋航海技术发展的科技成就是____。(填字母)。 A.造纸术 B.印刷术 C.火药 D.指南针 (2) 根据图1,能准确描述汉代中外交往特点是____。(填字母)。 A.以海路为主 B.双向交流 C.抵御外来侵略 D.加强行政管理 (3)结合所学知识,完成图2中的任务。 (4)根据下面知识卡片内容,比较洋务运动和明治维新的不
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【祖国统一与香港回归】 (1)请将下面的历史事物填在对应的横线上。(填字母)。历史事物: A.郑成功收复台湾 B.郡县制 C.澎湖巡检司 ①这一制度的实行,开创了此后我国历代王朝地方行政基本模式:____。 ②这是历史上中央政府首次在台湾地区正式建立的行政机构:____。 ③至此,被荷兰侵略者占据了38年的台湾重新回到祖国的怀抱:____。 材料 1990年4月,中华人民共和国全国人民代表大会通过的《香港基本法》规定:“香港特别行政区是
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excellent / advantage / controlled / trained / go through / normal / given Unlike those long-limbed (四肢细长的) dogs,the cute corgi,Fu Zai,successfully joined the police force.He is only six months old and has been (1)______
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Liam Garner was just 17 years old when he started out on his adventure—a 32,000-kilometer bike trip.In early January,he finally finished his trip,17 months after he started. After Liam graduated from high school,he wonde
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Dancing with the song of heroes With the worldwide celebration of the Chinese New Year.Yingge Dance from southeast China has once again received widespread attention.It is based on the story of the heroes of Liangshan wh
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Matt loved science,and he wanted to be the Science Star of the week.Now he was presenting his experiment in Mrs.Perry\’s class. "Let me show you(1)______ to keep an egg in the middle of the glass." Matt(2)______ an egg i
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The idiom (成语) "Taking history as a mirror,I can understand the rise and fall of a nation" tells us that .( )
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—Kung Fu Panda 4 on March 22nd!Let\’s watch it tomorrow. —Sure.I\’m a big fan of Panda Po.( )
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—Mr.Black,would you like some more ice-cream? —No,thanks.I have to my weight,you know.( )
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—Jenny,be quick!Or we\’ll be late. —Don\’t ________ me.I\’m coming as fast as I can.( )
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—Miller,go to have a nice bath and an early sleep. —All right.Then I will be for the journey tomorrow.( )
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—Can I go shopping with you this afternoon or tomorrow morning? —I\’m afraid is OK for me.I\’m studying for my coming test.( )
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—I am wondering whether Mike tells the truth. —It\’s not his to tell lies.I believe him.( )
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—Jim,remember to return this book by this Saturday. — .( )
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—I\’m really tired.I have to stop running. — ,Eric.I believe you can make it.( )
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—What did you do last weekend? — .Just read books at home.( )
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假定你是Li Hua,请回复朋友Ben的邮件,给出至少3条建议并说明理由。词数100左右,开头和结尾已给出,不计入总词数。 Dear Li Hua, We know traffic lights are used for keeping people safe.But there always are some people running the red light.Yesterday,I had an argument with m
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While taking good care of your body may help you grow taller,your height is mostly up to your genes(基因).If you're still growing,good nutrition(营养) and a healthy life style may help you get taller. Eat a healthy,nutritiou
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Once upon a time,there was a Chinese gentleman who (1) (teach) several students.One day,one of his friends,a doctor,came to visit the gentleman. The guest (2) (see) some students eating many pears and jujubes(枣).He said
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